Summary Of Accounting Policies (Narrative) (Details) (USD $) In Millions	3 Months Ended
	Jul. 01, 2011	Jul. 02, 2010	Mar. 31, 2011
Depreciation expense associated with property and equipment	$ 102.7	$ 93.5
Total intangible amortization expense	13.3	18.0
Deferred purchase price receivable	681.3		460.0
Global And North American Asset Backed Securitization Programs [Member]
Deferred purchase price receivable	$ 681.3		$ 460.0